Which of the following inventions destroyed the first market for petroleum a. light bulb b automobile c plastics d frozen foods

The light bulb was the invention that destroyed the first market for petroleum.

In the past, petroleum, instead of electricity, was  used to light homes, any kind of buindings and streets prior to the invention of light bulbs. Then, when the light bulb arised and was spread, the need for gas lighting decreased, giving rise to the destruction of the first market for petroleum.  

In 1802, Humphry Davy invented the first electric light. He experimented with electricity and created an electric battery.

there are no options provided but you can choose among the following gender-neutral pronouns: zir, hir, eir, vis, tem, eir.

in the normal course of maintaining a pronoun-antecedent agreement, we could have used the words his or her but since we are also required to use gender-neutral language, we need to replace it with its equivalent gender-neutral pronoun.